55500555488 has 48 divisors (see below), whose sum is σ = 125468187264. Its totient is φ = 23673202560.

The previous prime is 55500555449. The next prime is 55500555491. The reversal of 55500555488 is 88455500555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539870 + ... + 634397.

It is an arithmetic number, because the mean of its divisors is an integer number (2613920568).

Almost surely, 2^55500555488 is an apocalyptic number.

It is an amenable number.

55500555488 is an abundant number, since it is smaller than the sum of its proper divisors (69967631776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55500555488 is a wasteful number, since it uses less digits than its factorization.

55500555488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174495 (or 1174487 counting only the distinct ones).

The product of its (nonzero) digits is 4000000, while the sum is 50.

The spelling of 55500555488 in words is "fifty-five billion, five hundred million, five hundred fifty-five thousand, four hundred eighty-eight".